Environment & Science

It's the third time the Delaware River has won the title. Previous wins were in 2002 and 2017.

Some salt sheds across the region could be down to their final grains, officials said Thursday, as reports of a rock salt shortage spread through the region and well beyond.

The state's dairy industry has officially reached "HPAI-free" status after rigorous testing in Pennsylvania dairy cattle for highly pathogenic avian influenza. Other states have detected bird flu in their cattle though, so the state will continue to monitor and test cattle.

Sarah DeGrendel was recently hired as the city’s first sustainability manager. The position focuses on creating and facilitating sustainability initiatives while capturing grant funding to cover the cost of related projects.

Months after a fire tore through Blue Mountain, the community continues to support the fire departments who helped battle the blaze. This time, that support comes in form of monetary donations.

This week on Watching the Skies, a look at efforts to preserve the artifacts that remain on the moon’s surface.

A pair of river otters at the Lehigh Valley Zoo offered their predictions for the winner of Super Bowl LIX during the zoo's annual Otter Bowl. Eagles fans may not like it, depending on their perspective.

The winter weather advisory will run 3 p.m. Saturday to 6 a.m. Sunday, with mixed precipitation expected in the Lehigh Valley and across the region.

St. Luke's University Health Network on Friday launched an email helpline for residents with questions about avian flu. No human cases have so far been recorded in Pennsylvania.

The Valley’s two major health networks are preparing for an increase in bird flu in people. Cases have been generally mild, with none reported so far in Pennsylvania.

Several sightings of black bears have been reported recently in residential areas of Bethlehem Township. Despite the animal not typically being aggressive toward humans, the Pennsylvania Game Commission advises not to approach or entice a black bear.

The Pennsylvania Department of Environmental Protection is hosting a series of in-person and virtual meetings to collect feedback on its new environmental justice policy. The next meeting is Oct. 25.

If the Lehigh Valley weather forecast feels familiar, it’s because an end-of-the-week system is once again being watched closely by meteorologists.

A biologist from the Pennsylvania Game Commission visited the location of the sighting in Lower Macungie Township and determined the animal spotted was not a mountain lion.

The Pennsylvania Department of Agriculture's “PA Pumpkin Palooza: Where Gourds Go Glam” contest has been extended to Oct. 23. Winners will be announced on Halloween.

A rare piebald deer, which has a distinctive white coat with patchy brown spots due to a pigmentation anomaly, has been seen in the Easton Cemetery. Such deer make up about 1% of the total whitetail deer population.

Brad Klein reviews the week's astronomical highlights with Bethlehem’s "Backyard Astronomy Guy."

State police say someone has photos and they are investigating the sighting of a large feline — possibly a mountain lion — in a field in Lower Macungie Township on Sunday.

More than 1,336 acres across the commonwealth were preserved. Here are the Lehigh Valley farms now safe from development.

Take a look at stories that ran throughout the week of which we are most proud, had a profound impact on readers or that you might want to look at again.

Rainy weekends have put a damper on attendance at fall festivals in the Lehigh Valley.

A potent system is still on the way to the area, the National Weather Service warned Friday, referencing a storm forecasters have been talking about for almost a week.